HP K2R84A | Modular Smart Array 2040 SAS Dual Controller SFF Storage Hard Drive Array 24 Bays ( SAS-2 ) SAS 12GB/s (External) Rack-mountable 2u

1. Storage Bays: 24 SFF bays
2. Storage interface: SAS-2, SAS 12GB/s (External)
3. RAID levels: 0, 1, 3, 5, 6, 10, 50, and 60
4. Maximum Storage Capacity: 72TB (using 3TB SAS drives)
5. Supported Drives: SAS, Nearline SAS, and SSD
6. Host interface: 8Gb/16Gb Fibre Channel (4) Ports per controller or 1Gb/10GbE (4) Ports per controller
7. Controller Type: Dual Controller
8. Form Factor: Rack-mountable 2U
9. Power supply: 2x 460W
10. Hot-Swappable Components: Power supplies, fans, and drives
11. Operating Temperature: 10°C to 35°C (50°F to 95°F)
12. Dimensions (H x W x D): 3.5 x 17.6 x 22.3 in

Notes:
1. The dual controller provides redundancy and high availability.
2. The hot-swappable components make it easy to replace faulty components without downtime.
3. The maximum storage capacity can be increased by using higher-capacity drives.